Graph triangle BCD with vertical B(2,1) ,C(4,4) and D(4.1) and it image after the reflection in the line n: x=1

Nikolas calculated the volume of the prism. his work is shown below.

Find the distance between (7,-6) and (-3,-9)

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?